(19)
(11) EP 2 935 266 A1

(12)

(43) Date of publication:
28.10.2015 Bulletin 2015/44

(21) Application number: 13830187.4

(22) Date of filing: 16.12.2013
(51) International Patent Classification (IPC): 
C07D 473/04(2006.01)
(86) International application number:
PCT/IN2013/000773
(87) International publication number:
WO 2014/097314 (26.06.2014 Gazette 2014/26)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 17.12.2012 IN CH52422012

(71) Applicants:
  • Mylan Laboratories Ltd.
    Hyderabad 500 033 (IN)
  • Chavhan, Bhausaheb
    Hyderabad 500 055 Andhra Pradesh (IN)
  • Rathinapandian, Jebaraj
    Hyderabad 500 055 Andhra Pradesh (IN)
  • Chanduptla, Shiva Kumar
    Hyderabad 500 055 Andhra Pradesh (IN)
  • Ghanda, Nagaraji
    Hyderabad 500 055 Andhra Pradesh (IN)

(72) Inventors:
  • CHAVHAN, Bhausaheb
    Hyderabad 500 055 Andhra Pradesh (IN)
  • RATHINAPANDIAN, Jebaraj
    Hyderabad 500 055 Andhra Pradesh (IN)
  • CHANDUPTLA, Shiva Kumar
    Hyderabad 500 055 Andhra Pradesh (IN)
  • GHANDA, Nagaraji
    Hyderabad 500 055 Andhra Pradesh (IN)

(74) Representative: Johnson, Stephen William et al
Venner Shipley LLP Byron House Cambridge Business Park Cowley Road
Cambridge CB4 0WZ
Cambridge CB4 0WZ (GB)

   


(54) AN IMPROVED PROCESS FOR THE PREPARATION OF LINAGLIPTIN